playcanvas/build/playcanvas.dbg/src/platform/graphics/webgl/webgl-vertex-buffer.js

PlayCanvas WebGL game engine

import { WebglBuffer } from './webgl-buffer.js';

/**
 * A WebGL implementation of the VertexBuffer.
 *
 * @ignore
 */ class WebglVertexBuffer extends WebglBuffer {
    destroy(device) {
        super.destroy(device);
        // clear up bound vertex buffers
        device.unbindVertexArray();
    }
    loseContext() {
        super.loseContext();
        this.vao = null;
    }
    unlock(vertexBuffer) {
        const device = vertexBuffer.device;
        super.unlock(device, vertexBuffer.usage, device.gl.ARRAY_BUFFER, vertexBuffer.storage);
    }
    constructor(...args){
        super(...args), // vertex array object
        this.vao = null;
    }
}

export { WebglVertexBuffer };